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n SA Journal of Radiology - Experiences of using a single post-contrast CT scan of the urinary tract after triphasic contrast injection : pictorial essay
I was alerted to an article in Radiology Vol. 255 No. 2 (May 2010) by a colleague. The article, entitled 'Kidney and urinary tract imaging: Triple-bolus multidetector CT urography as a one-stop shop - Protocol design, opacification, and image quality analysis', clearly describes the technique, while the quotation below, from the article, summarises the findings:
'We have shown that triple-bolus multidetector CT urography allowed visualization of renal parenchymal, excretory, and vascular contrast-enhancement phases in a single dose-efficient acquisition and provided sufficient opacification of the UUT, with simultaneous and adequate image quality of renal parenchyma and vascular anatomy.'
The main emphasis on this technique is to reduce the number of unnecessary CT scans when assessing the urinary tract. Our previous protocol for scanning the urinary tract for pathology included four phases: a pre-contrast, corticomedullary, nephrographic and delay excretory phase.
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